初中英语重要短语的用法及区别(好).doc

初中英语重要短语的用法及区别 1.on，in和with. (1).on：表示使用通讯工具、信息或传媒，乘坐交通工具等； I don’t want to talk about it on the phone. (2).in：使用语言文字等媒介； Can you speak it in English? (3.)with：借助具体的手段或工具。 Don’t write it with a red pen. 2.at , on , in三者都可以表示“在……的时候”。 （1）at：表示在哪个时刻用；表示时间点。 I get up at six o’clock in the morning . 我早晨六点起床。 （2）On：表示在哪一天，哪一天的早上（下午、晚上）； on Wednesday , on Sunday morning , on May I , on a cold morning in 1936 （3）in：表示在哪一年（季、月），在上午，下午等。 in September , in the morning , in the afternoon 3. spend, pay ,cost, take (1)Sb. Spend … on sth. 某人花了…（时间、金钱）在某事上。 I spend ten yuan on the book.. (2)spend (in) doing sth. 某人花了…（时间、金钱）做某事。 She spent two hours in drawing the house. (3)Sb. pay …for …sth. 某人为某物花了…钱。 I paid 50 yuan for the clothes. (4)Sth. cost sb. … 某物花了某人…钱。 It cost us five dollars. (5)It takes/took sb. … to do sth. 花了某人…（时间、金钱）做某事。 It takes us ten minutes to brush my teeth every day. 4.too much, too many, much too too much + 不可数名词 too many + 可数名词 much too + 形容词、副词、 （1）There is too much milk in the basket. (2) She ate too many biscuits yesterday morning. (3) He runs much too quickly. (4) The chair is much too expensive. 5.not … until until not … until 直到…才… （主句动词是短暂性动词） (1)He didn’t go to bed until his mother came back.. until 一直到… （主句中使用延续性动词） (2)I study hard until it is midnight every day. 6.few, a few; little , a little. 虽然都表示“少”，但 ·few, a few是可数的, little, a little是不可数的。 ·a few, a little含肯定意味，few, little含否定意味。 (1) They have a little ink, dont they? 他们有一点墨水，是吗？ (2)They have little ink, do they? 他们几乎没有墨水，是吗？ (3)She has a few Chinese friends, doesnt she? 他有几位中国朋友，是吗？ (4)She has few Chinese friends, does she?他几乎没有几位中国朋友,是开吗 (5)She has a little dog.她有一只小狗。 7.must, have to must表示说话人的主观看法；而have to则表示客观需要。mustn＇t意为不可以;不允许；don＇t have to意为不必。如: (1)My father had to work when he was ten years old. (2)The play is not interesting. I really must go now. 8.after , in (1)After+时间段 表达过去一段时间以后，常用于过去时态的句子； I received the letter after two days . 我是